Out-of-bounds Read in Openvswitch
CVE-2022-4338
An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.
Vulnerability class: Buffer Overflow
EPSS: 0.013 (67.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Openvswitch
- Debian Debian_linux — versions 11.0
- N/a Openvswitch — versions openvswitch 3.0.3, openvswitch 2.17.5, openvswitch 2.16.6, openvswitch 2.15.7, openvswitch 2.14.8, openvswitch 2.13.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com (Patch, Mailing List, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory)
Frequently asked questions
- What is CVE-2022-4338?
- CVE-2022-4338 is a critical-severity vulnerability in Openvswitch, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2023-01-10.
- How severe is CVE-2022-4338?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-4338 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.